Worksheets0654_2019_MJ_QP_23_Bio
Total questions: 13
Worksheet time: 13mins
1. Which characteristic of living organisms is correctly matched to the description?
A
B
C
D
2. The diagram shows a cell starting to plasmolyse.
In which direction is osmosis occurring?
X to Y
Y to X
Y to Z
Z to Y
3. Which chemical element is found in proteins, but not in carbohydrates or fats?
carbon
hydrogen
oxygen
nitrogen
4. Which statement about enzyme action is correct?
The active site of the enzyme is complementary to the product and a substrate is formed.
The active site of the substrate is complementary to the enzyme and a product is formed.
The active site of the product is complementary to the enzyme and a substrate is formed.
The active site of the enzyme is complementary to the substrate and a product is formed.
5. Which two arrows represent photosynthesis?
1 and 3
1 and 4
2 and 3
2 and 4
6. What is deficient in the diet when growing bones become soft and deformed?
iron
protein
vitamin C
vitamin D
7. The diagram shows a section through the heart.
When ventricles contract, which valves open and which valves close?
open-1 and 3, close-2 and 4
open-1 and 4, close-2 and 3
open-2 and 3, close-1 and 4
open-2 and 4, close-1 and 3
8. Hydrogencarbonate indicator changes colour with different concentrations of carbon dioxide.
A pond contains both plants and animals. Samples of pond water are taken during a sunny day and again during the night. Each sample is tested with hydrogencarbonate indicator.
What would be the results of these tests?
day sample-purple, night sample-yellow
day sample-red, night sample-purple
day sample-red, night sample-red
day sample-yellow, night sample-purple
9. What occurs when our eyes look from a near object in dim light to a distant object in bright light?
Pupils constrict and lenses become thinner.
Pupils constrict and lenses become fatter.
Pupils dilate and lenses become thinner.
Pupils dilate and lenses become fatter.
10. The diagram shows a section through an insect-pollinated flower.
When pollination occurs, where must the pollen grains reach?
A
B
C
D
11. Which human characteristic is not influenced by the environment?
blood group
height
shoe size
weight
12. The diagram shows the energy flow in an ecosystem.
Which group of organisms is X?
carnivores
decomposers
herbivores
producers
13. The diagram shows the carbon cycle.
Which process represents decomposition?
A
B
C
D
